troubleshooting
Posts tagged “troubleshooting”.
How to find which app is using a port on Windows
Run netstat -ano to get the process ID (PID) that owns the port, then look that PID up in Task Manager. PowerShell's Get-NetTCPConnection and Resource Monitor give the same answer.
Introducing the NetSecWall Help Center and blog
The NetSecWall Help Center at /kb/ has step-by-step guides with real screenshots, sorted by topic and product and searchable. The blog at /blog/ explains the problems behind them.
ESTABLISHED, TIME_WAIT, LISTENING: TCP states decoded
TCP states show where a connection is in its life: LISTENING waits, SYN_SENT is dialing, ESTABLISHED is talking, CLOSE_WAIT and TIME_WAIT are the goodbye. Most are harmless; piles of some are clues.